Bolt action and centrifugal pump: what they have in common
- Step 1. Bolt action — uses — Cartridge. A unitary cartridge.
- Step 2. Cartridge — uses — Smokeless powder. Modern cartridges.
- Step 3. Smokeless powder — is material for — Solid rocket motor. The propellant is smokeless powder.
- Step 4. Solid rocket motor — is part of — Space Shuttle. Boosters.
- Step 5. Space Shuttle — has part — Liquid-propellant rocket engine. Hydrogen-fuelled main engines.
- Step 6. Liquid-propellant rocket engine — has part — Centrifugal pump. Turbopumps deliver the propellant.